import { app, shell, BrowserWindow, ipcMain, dialog } from 'electron'
import { join } from 'path'
import { electronApp, optimizer, is } from '@electron-toolkit/utils'
import icon from '../../resources/icon.png?asset'
import biluIcon from '../../resources/jh.jpeg?asset'
import { initDb, select, update } from './db.js'
import { generatePdf } from './word_docx.js'
const fs = require('fs').promises;
const iconv = require('iconv-lite');

// 初始化数据库
initDb()

const dbSelect = function (event, sql, ...params) {
  return select(sql, ...params)
}

const dbUpdate = function (event, sql, ...params) {
  return update(sql, ...params)
}

let mainWindow
function createWindow() {
  // Create the browser window.
  mainWindow = new BrowserWindow({
    width: 450,
    height: 320,
    show: false,
    autoHideMenuBar: true,
    ...(process.platform === 'linux' ? { icon } : {}),
    webPreferences: {
      preload: join(__dirname, '../preload/index.js'),
      sandbox: false
    }
  })

  mainWindow.on('ready-to-show', () => {
    mainWindow.show()
    // mainWindow.maximize();
  })

  mainWindow.webContents.setWindowOpenHandler((details) => {
    shell.openExternal(details.url)
    return { action: 'deny' }
  })

  // 设置窗口图标
  mainWindow.setIcon(biluIcon)

  // HMR for renderer base on electron-vite cli.
  // Load the remote URL for development or the local html file for production.
  if (is.dev && process.env['ELECTRON_RENDERER_URL']) {
    mainWindow.loadURL(process.env['ELECTRON_RENDERER_URL'])
  } else {
    mainWindow.loadFile(join(__dirname, '../renderer/index.html'))
  }
}

const maximize = function () {
  mainWindow.maximize()
}

const restore = function () {
  mainWindow.restore()
}

// 打开本地文件
async function openFile() {
  const result = await dialog.showOpenDialog({
    properties: ['openFile'] // 设置为打开文件
  })

  if (!result.canceled) {
    const selectedFile = result.filePaths[0]
    // 发送选中的文件路径到渲染进程
    return selectedFile
  } else {
    return null
  }
}

// 打开方案
async function openFADir() {
  const result = await dialog.showOpenDialog({
    properties: ['openFile'], // 设置为打开文件
    defaultPath: join(__dirname, '../../resources/方案').replace("app.asar", "app.asar.unpacked"),
  })

  if (!result.canceled) {
    const selectedFile = result.filePaths[0]
    // 发送选中的文件路径到渲染进程
    return selectedFile
  } else {
    return null
  }
}

// 读取文件内容
async function readFileContent(event,filePath) {
  const data = await fs.readFile(filePath); // 读取文件内容为Buffer
  const content = iconv.decode(data, 'gbk'); // 使用iconv-lite将Buffer解码为GBK字符串
  return content
}

// 打开系统文件资源管理器并定位到指定目录
function openDirectoryInExplorer(event) {
  shell.openPath(join(__dirname, '../../resources/告知书').replace("app.asar", "app.asar.unpacked"));
}

async function getPDF(event,data) {
  return await generatePdf(data)
}

// This method will be called when Electron has finished
// initialization and is ready to create browser windows.
// Some APIs can only be used after this event occurs.
app.whenReady().then(() => {

  ipcMain.handle('db:select', dbSelect)
  ipcMain.handle('db:update', dbUpdate)
  ipcMain.handle('operation:maximize', maximize)
  ipcMain.handle('operation:restore', restore)
  ipcMain.handle('operation:openFile', openFile)
  ipcMain.handle('operation:openFADir', openFADir)
  ipcMain.handle('operation:readFileContent', readFileContent)
  ipcMain.handle('operation:getPDF', getPDF)
  ipcMain.handle('operation:openDirectoryInExplorer', openDirectoryInExplorer)
  // Set app user model id for windows
  electronApp.setAppUserModelId('com.electron')

  // Default open or close DevTools by F12 in development
  // and ignore CommandOrControl + R in production.
  // see https://github.com/alex8088/electron-toolkit/tree/master/packages/utils
  app.on('browser-window-created', (_, window) => {
    optimizer.watchWindowShortcuts(window)
  })

  // IPC test
  ipcMain.on('ping', () => console.log('pong'))

  createWindow()

  app.on('activate', function () {
    // On macOS it's common to re-create a window in the app when the
    // dock icon is clicked and there are no other windows open.
    if (BrowserWindow.getAllWindows().length === 0) createWindow()
  })

  
})

// Quit when all windows are closed, except on macOS. There, it's common
// for applications and their menu bar to stay active until the user quits
// explicitly with Cmd + Q.
app.on('window-all-closed', () => {
  if (process.platform !== 'darwin') {
    app.quit()
  }
})

// In this file you can include the rest of your app's specific main process
// code. You can also put them in separate files and require them here.
